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Page Title: TABLE 1-1. LOCATIONS AND FUNCTION OF MAJOR COMPONENTS OF AUTOMATIC LEVEL NA 2
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TM 5-6675-329-13 & P
TABLE 1-1. LOCATIONS AND FUNCTION OF MAJOR COMPONENTS
OF AUTOMATIC LEVEL NA 2
LOCATION
COMPONENT
(ITEM)
FUNCTION
Base Plate
1
Allows attachment of Automatic
Level NA2 to Tripod GST-40
Footscrew (three)
2
Adjusts position of instrument
on Tripod head plate to obtain
level position.
Horizontal Drive
3
Moves
the
Automatic
Level
NA2
Knob (two)
in the horizontal plane.
Telescope Objective
4
Houses telescope which magni-
Housing
nifies distant objects
(including staff) for viewer.
Sight
5
Provides rough pointing cap-
ability toward target.
Telescope Eyepiece
6
Used for sighting of Automatic
Level NA2 on target.
Pushbutton
7
When pressed prior to reading,
(Compensator)
staff actuates the internal
compensator to assure achieve-
ment of horizontal line of
sight.
Circular Level
8
Indicates that the automatic
level has been leveled in the
horizontal plane.
Prism
9
Allows viewing of circular
level (12) without looking down.
Focusing Knob
10
Used
to
focus
eyepiece
assembly
to telescope and target.
1-9

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